Heavy metal.
The use of lead as a consitutent part of shotgun cartridges whilst in pursuit of waterfowl was make illegal in the UK by statutory instrument in 1999, amended 2002 (EP, 2002). However, its use continues in pursuit of game, and at clay gigeon shooting sites. (ref. ID; 6911)

[Pb]
Test organisms;
Protozoa: Tetrahymena thermophila (ref. ID; 4570)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 4639)
Oligochaeta: Lumbricus rubellus (ref. ID; 4639, 5989)
Nematoda: Caenorhabditis elegans (ref. ID; 4474)

[Pb: an atomic absorption standard solution 1,000 ug Pb per ml (nominal) in 1% HNO3]
Test organisms;
Rotifera: Brachionus calyciflorus (ref. ID; 127)
Rotifera: Lecane hamata (ref. ID; 6861)
Rotifera: Lecane luna (ref. ID; 6861)
Rotifera: Lecane quadridentata (ref. ID; 6861)

[PbCH3CO]
Test organisms;
Protozoa: Colpidium campylum (ref. ID; 6081)

[Lead Acetate]
Chemical characteristics; water soluble
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 6866)

[Lead(IV) Acetate] CAS[546-67-8] UN1616
Chemical formula; Pb(CH3COO)4
Test organisms;
Protozoa: Marine protozoan communities (ref. ID; 3309, 3953)

[Lead(II) Acetate Trihydrate] CAS[6080-56-4] UN1616
Chemical formula; Pb(CH3COO)2/3H2O
Test organisms;
Oligochaeta: Tubifex tubifex (ref. ID; 1318)

[Lead Carbonate]
Chemical formula; PbCO3 (cerrusite) solid
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 6124)

[Lead(II) Chloride] CAS[7758-95-4] UN2291
Chemical formula; PbCl2
Test organisms;
Protozoa: Tetrahymena pyriformis (ref. ID; 979)
Protozoa: Activated sludge protozoan community (ref. ID; 6006)
Oligochaeta: Dendrobaena octaedra (ref. ID; 6928)
Oligochaeta: Tubifex tubifex (ref. ID; 6968)
Nematoda: Caenorhabditis elegans (ref. ID; 4571, 6824)

[Lead Chlorides Salt]
Test organisms;
Nematoda: Caenorhabditis elegans (ref. ID; 3326)

[Lead Nitrate]
Test organisms;
Oligochaeta: Dendrobaena rubida (ref. ID; 6871)
Oligochaeta: Eisenia fetida (ref. ID; 6864, 6868)

[Pb(NO3): Pb+]
Test organisms;
Protozoa: Euglena gracilis (ref. ID; 3312)

[Lead(II) Nitrate] CAS[10099-74-8] UN1469
Chemical formula; Pb(NO3)2
Chemical characteristics; water soluble
Test organisms;
Protozoa: Acanthamoeba castellanii (ref. ID; 946)
Protozoa: Euglena gracilis (ref. ID; 3548)
Protozoa: Spirostomum teres (ref. ID; 6838)
Protozoa: Tetrahymena pyriformis (ref. ID; 615)
Protozoa: Vorticella microstoma (ref. ID; 4989)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 6138)
Oligochaeta: Eisenia andrei (ref. ID; 5976, 6138)
Oligochaeta: Eisenia fetida (ref. ID; 4953, 5975, 6103, 6125, 6907, 6980)
Oligochaeta: Enchytraeus albidus (ref. ID; 3555)
Oligochaeta: Lumbricus rubellus (ref. ID; 5987, 6138)
Oligochaeta: Perionyx excavatus (ref. ID; 6841)
Oligochaeta: Tubifex tubifex (ref. ID; 6968)
Nematoda: Caenorhabditis elegans (ref. ID; 506, 2165, 6823)

[Pb(NO3)2]
Chemical formula; Pb(NO3)2 solid
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 6124)

[Lead Nitrate Salt]
Test organisms;
Oligochaeta: Lumbriculus variegatus (ref. ID; 4480)
Nematoda: Caenorhabditis elegans (ref. ID; 3301)

[Lead Nitric Salts]
Test organisms;
Oligochaeta: Dendrobaena veneta (ref. ID; 6837)

[PbS]
Chemical formula; PbS solid (galea)
Test organisms;
Oligochaeta: Eisenia fetida (ref. ID; 6124)

[Atmospheric Pb pollution]
Test organisms;
Nematoda: community (ref. ID; 1756)

[Sediment Pb pollution]
Test organisms;
Oligochaeta: community (tubificid worms) (ref. ID; 6704)

[Soil Pb pollution]
Test organisms;
Oligochaeta: Allolobophora caliginosa (ref. ID; 5990, 5997)
Oligochaeta: Allolobophora chlorotica (ref. ID; 1433, 5994, 5997)
Oligochaeta: Allolobophora longa (ref. ID; 5997)
Oligochaeta: Allolobophora rosea (ref. ID; 5990, 5997)
Oligochaeta: Allolobophora tuberculata (ref. ID; 5997, 6104)
Oligochaeta: Aporrectodea caliginosa (ref. ID; 5994, 5996, 6102, 6107)
Oligochaeta: Aporrectodea icterica (ref. ID; 5994)
Oligochaeta: Aporrectodea rosea (ref. ID; 5994, 5996, 6911)
Oligochaeta: Dendrobaena madeirensis (ref. ID; 5990)
Oligochaeta: Dendrobaena octaedra (ref. ID; 5990)
Oligochaeta: Dendrobaena rubida (ref. ID; 6077)
Oligochaeta: Dendrodrilus rubidus (ref. ID; 5996)
Oligochaeta: Eisenia fetida (ref. ID; 6703, 6749, 6750, 6834)
Oligochaeta: Lumbricus castaneus (ref. ID; 5994, 5996)
Oligochaeta: Lumbricus friendi (ref. ID; 5990)
Oligochaeta: Lumbricus rubellus (ref. ID; 1433, 5989, 5994, 5996, 6095, 6102, 6741, 6749)
Oligochaeta: Lumbricus terrestris (ref. ID; 1433, 5994, 5997, 6903)
Oligochaeta: Octolasion tyrtaeum (ref. ID; 6703)